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| Making "same length" pillars with no DRO? |
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| raynerd:
Hi, I`ve not been on for the last week or so much as I`ve been busy re-decorating. I have a long summer holiday coming up and my wife has started the "to-do" list early :doh: I know for most of you this is probably a very simple issue but the next step of my clock build requires me to make 2 pillars (actually four in total, 2 different sets) which hold a plate in which pivot holes are drilled to suspend a clock wheel arbour. The pillars need to be perfectly the same length or the pivot hole will be at an angle! I tried this before when I made my skeleton clock for the frame pillars and despite my best efforts I didn`t do a great job and they were not spot on. I`ve no DRO on my lathe. Has anyone got any suggestions on how to essentially part off or cut to size two perfectly equal lengths of bar stock? I expect this has been covered in other build logs and so any links are welcome, my search didn`t bring up anything relevant. All the best Chris |
| picclock:
Does the length need to be done on a lathe ?. Easy using a mill. picclock |
| BillTodd:
All you need is a depth stop for your lathe's spindle, then fix a dial gauge or a hard-stop to the bed and face the part to length. Alternatively, if your parting off is good enough for the job, is to use the tail-stock with centre as a length stop. Bill |
| krv3000:
HI well i had to nock up sum dawels all had to be spot on all i did was mack a snug fitting sleve to go over the stock in the lathe chuck and yoused a center in the tale stock then cut it off with patining tool the distence between the end of the sleeve to the center DONT for get to add the thiknes of the parting off blade will be the lenth of the dawel or in your case pillers for your clock |
| PekkaNF:
length/diameter/accuracy? 1) Goes trough lathe spindle, but freaking long: I would cut them approximately to correct length, Set facing off to shortest pilar and use any heavy object parked behind of the spindle to stabilize/set lengt. Feeler gauge is good idea between back stop and stock - it is removed before the cut of-course. Lock the cross slide and face both on same setting. 2) Does not go trough lathe spindle: Back stop inside the spindle. Steady rest. Same procedure than above. 3) As described before - in this thread. Parting off with a tail stock mandrel as a material stop. Or is this something clock special again? Pekka |
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